/* filRouge Gallery - Frontend Styles */

.frg-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 1fr; /* Equal height rows */
    gap: 15px;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Grid Columns */
.frg-gallery[data-columns="1"] {
    grid-template-columns: 1fr;
}

.frg-gallery[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.frg-gallery[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.frg-gallery[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.frg-gallery[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.frg-gallery[data-columns="6"] {
    grid-template-columns: repeat(6, 1fr);
}

/* Gallery Item - Equal Height */
.frg-gallery-item {
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    box-sizing: border-box;
    height: 100%;
}

.frg-gallery-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.frg-gallery-item-inner {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.frg-gallery-thumbnail {
    position: relative;
    width: 100%;
    flex: 1;
    overflow: hidden;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.frg-gallery-thumbnail img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* PDF Icon */
.frg-pdf-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.frg-pdf-icon svg {
    width: 24px;
    height: 24px;
    fill: #c62828;
}

.frg-gallery-item:hover .frg-pdf-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Caption */
.frg-gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: #fff;
    font-size: 14px;
    line-height: 1.4;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.frg-gallery-item:hover .frg-gallery-caption {
    transform: translateY(0);
}

/* Hover Effects */
.frg-hover-zoom .frg-gallery-thumbnail img {
    transform: scale(1);
}

.frg-hover-zoom .frg-gallery-item:hover .frg-gallery-thumbnail img {
    transform: scale(1.1);
}

.frg-hover-fade .frg-gallery-item {
    opacity: 1;
}

.frg-hover-fade .frg-gallery-item:hover {
    opacity: 0.85;
}

.frg-hover-slide .frg-gallery-caption {
    transform: translateY(100%);
}

.frg-hover-slide .frg-gallery-item:hover .frg-gallery-caption {
    transform: translateY(0);
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .frg-gallery[data-columns="4"],
    .frg-gallery[data-columns="5"],
    .frg-gallery[data-columns="6"] {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Responsive - Mobile Landscape */
@media (max-width: 768px) {
    .frg-gallery[data-columns="3"],
    .frg-gallery[data-columns="4"],
    .frg-gallery[data-columns="5"],
    .frg-gallery[data-columns="6"] {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsive - Mobile Portrait */
@media (max-width: 480px) {
    .frg-gallery {
        grid-template-columns: 1fr !important;
    }
}

/* PDF Preview con Canvas */
.frg-pdf-preview {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.frg-pdf-preview canvas.frg-pdf-canvas {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.frg-pdf-preview.loaded .frg-pdf-loading {
    display: none;
}

.frg-pdf-preview.error .frg-pdf-loading {
    display: none;
}

.frg-pdf-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 12px;
}

.frg-pdf-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e0e0e0;
    border-top-color: #c62828;
    border-radius: 50%;
    animation: frg-spin 1s linear infinite;
}

@keyframes frg-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* PDF Placeholder (fallback) */
.frg-pdf-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    height: 100%;
    flex: 1;
    background: linear-gradient(145deg, #ffffff 0%, #f5f5f5 50%, #eeeeee 100%);
    padding: 40px 20px;
    text-align: center;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.frg-pdf-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #c62828, #e53935);
}

.frg-pdf-placeholder svg {
    width: 72px;
    height: 72px;
    color: #c62828;
    fill: #c62828;
    margin-bottom: 15px;
}

.frg-pdf-placeholder span {
    font-size: 18px;
    font-weight: 700;
    color: #c62828;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Loading State */
.frg-gallery-item.loading {
    opacity: 0.6;
}

.frg-gallery-item.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: frg-spin 1s linear infinite;
}

/* Elementor Editor Preview Styles */
.elementor-editor-active .frg-gallery {
    min-height: 100px;
}

.elementor-editor-active .frg-gallery:empty::after {
    content: 'Aggiungi media alla galleria';
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    color: #999;
    font-style: italic;
    border: 2px dashed #ddd;
    border-radius: 4px;
    grid-column: 1 / -1;
}